Apply new api linter for our tests

Bug: N/A
Test: build
Change-Id: Ibd31640fb93ff3ab23068c8198f133c43a9c6e92
diff --git a/tests/testapk/Android.bp b/tests/testapk/Android.bp
index d9f74dc..cc0015d 100644
--- a/tests/testapk/Android.bp
+++ b/tests/testapk/Android.bp
@@ -28,6 +28,9 @@
     use_embedded_native_libs: true,
     // We only support 64-bit ABI, but CTS demands all APKs to be multi-ABI.
     compile_multilib: "both",
+    lint: {
+        error_checks: ["NewApi"],
+    },
 }
 
 java_defaults {